Anthropicretiredtrivial

claude-opus-4-1-20250805

Opus dated id → current Opus.

DeprecatedYes

Shutdown2026-08-05

Statusretired

Replacementclaude-opus-4-7

Already retiredThis id is past its shutdown date. Keep this page for migration archaeology only.

Quick fix — copy & paste

Breaks on 2026-08-05

model = "claude-opus-4-1-20250805"

Use this instead

model = "claude-opus-4-7"